== test ==
fun test(b: Boolean) {
    do {
        if (b) break;
        continue;
    } while (true);
}
---------------------
                                                   <v0>: Boolean   NEW: magic[FAKE_INITIALIZER](b: Boolean) -> <v0>
                                                   <v6>: *         NEW: magic[VALUE_CONSUMER](true|<v5>) -> <v6>
b                                                  <v1>: Boolean   NEW: r(b) -> <v1>
break                                              !<v2>: *
if (b) break                                       <v3>: *         NEW: merge(if (b) break|!<v2>) -> <v3>
continue                                           !<v4>: *
{ if (b) break; continue; }                        !<v4>: *        COPY
true                                               <v5>: *         NEW: r(true) -> <v5>
do { if (b) break; continue; } while (true)        !<v7>: *
{ do { if (b) break; continue; } while (true); }   !<v7>: *        COPY
=====================